Home / 13,847.97-19,121.09-11,150.63

Finding the Fourth Proportional to 13,847.97, 19,121.09 and 11,150.63

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Solution

The fourth proportional to 13,847.97, 19,121.09 and 11,150.63 is: 15,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.97 : 19,121.09 = 11,150.63 : x
  2. Step 2: Convert to fraction form
    13,847.97/19,121.09 = 11,150.63/x
  3. Step 3: Cross multiply
    13,847.97x = 19,121.09 × 11,150.63
  4. Step 4: Simplify right side
    13,847.97x = 213,212,048.43
  5. Step 5: Solve for x
    x = 213,212,048.43/13,847.97
  6. Step 6: Final answer
    x = 15,396.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.